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Finding the Fourth Proportional to 66,829.92, 92,225.22 and 36,617.12

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Solution

The fourth proportional to 66,829.92, 92,225.22 and 36,617.12 is: 50,531.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,829.92 : 92,225.22 = 36,617.12 : x
  2. Step 2: Convert to fraction form
    66,829.92/92,225.22 = 36,617.12/x
  3. Step 3: Cross multiply
    66,829.92x = 92,225.22 × 36,617.12
  4. Step 4: Simplify right side
    66,829.92x = 3,377,021,947.77
  5. Step 5: Solve for x
    x = 3,377,021,947.77/66,829.92
  6. Step 6: Final answer
    x = 50,531.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.